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Mac OS X

Tutorials, tips, hints, software, and howtos about Apple Mac OS X Unix operating system including MacBook Pro, MacAir, Mac Mini and server edition. ( rss feed )

Bash Clear DNS Cache

How do I clear DNS cache using BASH shell prompt under UNIX like operating systems?
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Linux X11 Connection Rejected Because of Wrong Authentication Error and Solution

Q. I'm trying to login to my remote Ubuntu Linux server from Mac OS X desktop using following command:
ssh -X user@vpn.officeserver.example.com xeyes

But I'm getting an error that read as follows:

X11 connection rejected because of wrong authentication.

How do I fix this error?
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Thunderbird Move Mail / Settings From Desktop Computer To Laptop

Q. How do I move my Thunderbird email client settings from Debian Linux desktop to a new Ubuntu Linux laptop? I've installed Thunderbird on Ubuntu Linux but not able to find any import or export option. How do I move settings?
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Can I Run Pidgin on Mac OS X?

Q. Can I install and run Pidgin instant messaging client under Mac OS X operating system?
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Linux Mount Solaris x86 UNIX UFS Partitions

Q. How do I mount Solaris 10 / OpenSolaris x86 parition under Linux to access file system?
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Free DNS Server Software

Can you tell me the name of free dns server software for my Linux server system?
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Free DNS Server

Q. My ISP DNS servers are overloaded, can you give me free dns server IP address for fast name resolution?
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How To Tell If Your Linux Server Uses xinetd OR inetd sever

Q. How to tell if my Linux server is using xinetd or inetd service?
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Linux sudo Configuration

Q. Can you tell me how to configure sudo to provide access to end users? How do I allow to run programs with the security privileges of another user using sudo?
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Mac OS X Remove SSH Known Host

I've reinstalled Linux on remote server and now trying to connect it over ssh using Mac OS X:
ssh user@server1.example.com

But I'm getting an error which read as follows:

Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
Please contact your system administrator.
Add correct host key in /Users/user/.ssh/known_hosts to get rid of this message.
Offending key in /Users/user/.ssh/known_hosts:1
RSA host key for server1.example.com has changed and you have requested strict checking.
Host key verification failed.

How do I fix this problem under Mac OX X?
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